Question: 5. Let P = {w | |w| is a perfect square}. Prove that P is nonregular. (Cryptic hint: (p 1)2 = p 2 2p 1)

5. Let P = {w | |w| is a perfect square}. Prove that P is nonregular. (Cryptic hint: (p 1)2 = p 2 2p 1)

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